[1]刘 帅,张 培,齐春东.基于天线波束偏转的高轨卫星对 雷达主瓣侦收方法[J].南京理工大学学报(自然科学版),2015,39(06):733.
 Liu Shuai,Zhang Pei,Qi Chundong.Detection method of high-orbit satellite to radar main lobe based on antenna beam deflection[J].Journal of Nanjing University of Science and Technology,2015,39(06):733.
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基于天线波束偏转的高轨卫星对 雷达主瓣侦收方法
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
39卷
期数:
2015年06期
页码:
733
栏目:
出版日期:
2015-12-31

文章信息/Info

Title:
Detection method of high-orbit satellite to radar main lobe based on antenna beam deflection
作者:
刘 帅1张 培2齐春东3
1.北京空间飞行器总体设计部,北京 100094;
2.北京起重运输机械设计研究院,北京 100007;
3.北京理工大学 信息与电子学院,北京 100081
Author(s):
Liu Shuai1Zhang Pei 2Qi Chundong3
1.Beijing Institute of Spacecraft System Engineering,Beijing 100094,China;
2.Beijing Materials Handling Research Institute,Beijing 100007,China;
3.School of Information and Electronics,Beijing Institute of Technology,Beijing 100081,China
关键词:
天线 波束偏转 高轨卫星 雷达 主瓣侦收 电子侦察卫星 侦收灵敏度 信噪比
Keywords:
antennas beam deflection high-orbit satellites radars main lobe detection electronic reconnaissance satellites detection sensitivity signal noise ratio
分类号:
TP181
摘要:
为了提高高轨电子侦察卫星对雷达信号的侦收灵敏度,增大截获概率,提出了一种基于天线波束偏转的雷达主瓣侦收方法。根据雷达辐射源最大仰角,高轨卫星可以获得雷达信号的主副瓣侦收区域。通过天线波束在短时间内进行特定方向和一定角度的偏转,使指向雷达副瓣的天线波束实时对准雷达主瓣侦收区域,实现雷达主瓣侦收。仿真实验结果表明:取雷达主瓣最大仰角为40°、天线波束宽度为2°,通过天线波束偏转7.6°,可完成雷达辐射源主瓣侦收; 与副瓣侦收相比,主瓣侦收信号信噪比至少可提高12.24 dB。
Abstract:
In order to improve the signal detection sensitivity and increase the interception probability of high-orbit electronic reconnaissance satellites to radar signals,a detection method of radar main lobe areas is proposed based on antenna beam deflection.According to the maximum elevation of radar emitters,high-orbit satellites can obtain the main lobe and side lobe reconnaissance areas of radar signals.By deflecting certain specific direction and angle in a short period of time,the antenna beam can point to the main lobe reconnaissance area of radars in real time and realize the radar main lobe detection.Simulation results show when the maximum elevation angle of a radar main lobe is 40° and the antenna beam width is 2°,the system can complete radar main lobe detection by deflecting the antenna beam 7.6°.Compared with the radar side lobe detection,the radar main lobe detection can improve the signal noise ratio(SNR)by 12.24 dB at least.

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备注/Memo

备注/Memo:
收稿日期:2014-12-23 修回日期:2015-08-17
基金项目:国家自然科学基金(61370017)
作者简介:刘帅(1984-),男,硕士,工程师,主要研究方向:电子侦察、信号处理,E-mail:lsshr@163.com; 通讯作者:张培(1985-),女,硕士,工程师,主要研究方向:电子信号处理,E-mail:stillif@sina.com。
引文格式:刘帅,张培,齐春东.基于天线波束偏转的高轨卫星对雷达主瓣侦收方法[J].南京理工大学学报,2015,39(6):733-738.
投稿网址:http://zrxuebao.njust.edu.cn
DOI:10.14177/j.cnki.32-1397n.2015.39.06.017
更新日期/Last Update: 2015-12-31